metasploit | 11f7127432d62bdabc6b16c3c7b798b45876eb0f661e8ecfe8a203c0619b2bb4

General

Target

11f7127432d62bdabc6b16c3c7b798b45876eb0f661e8ecfe8a203c0619b2bb4N.exe
Size

1.2MB
MD5

e1fd6f4a9ca1b26d194ca673f10bba10
SHA1

6cdb51120068a809d2c2b7746100e5d3b6abd265
SHA256

11f7127432d62bdabc6b16c3c7b798b45876eb0f661e8ecfe8a203c0619b2bb4
SHA512

61b4f4aedf0ff0afffc84323d6c7b769eb227fefa052145f78dde6f31d893c7c77fddb289bffe4b3cd1968945a37639a2a1f77ea769d5597a87ddeff646bb14c
SSDEEP

12288:VDeq6XQ2xIjrwg8d+G6e2S5Est12EUEYO27NUvLFyImxAuT:Vn5rwgxG6TSPGEU7VqvLFyIna

Score

10^/10

metasploit backdoor discovery evasion trojan

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	11f7127432d62bdabc6b16c3c7b798b45876eb0f661e8ecfe8a203c0619b2bb4N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	VMwareService.exe

Deletes itself 1 IoCs

pid	Process
2324	VMwareService.exe

Executes dropped EXE 1 IoCs

pid	Process
2324	VMwareService.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	11f7127432d62bdabc6b16c3c7b798b45876eb0f661e8ecfe8a203c0619b2bb4N.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	VMwareService.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2120	11f7127432d62bdabc6b16c3c7b798b45876eb0f661e8ecfe8a203c0619b2bb4N.exe
2324	VMwareService.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\VMwareService.exe	11f7127432d62bdabc6b16c3c7b798b45876eb0f661e8ecfe8a203c0619b2bb4N.exe
File opened for modification	C:\Windows\system\VMwareService.exe	11f7127432d62bdabc6b16c3c7b798b45876eb0f661e8ecfe8a203c0619b2bb4N.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VMwareService.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	11f7127432d62bdabc6b16c3c7b798b45876eb0f661e8ecfe8a203c0619b2bb4N.exe

Modifies data under HKEY_USERS 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	VMwareService.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	VMwareService.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	VMwareService.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	VMwareService.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	VMwareService.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	VMwareService.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2120	11f7127432d62bdabc6b16c3c7b798b45876eb0f661e8ecfe8a203c0619b2bb4N.exe
2324	VMwareService.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2324	VMwareService.exe

C:\Users\Admin\AppData\Local\Temp\11f7127432d62bdabc6b16c3c7b798b45876eb0f661e8ecfe8a203c0619b2bb4N.exe
"C:\Users\Admin\AppData\Local\Temp\11f7127432d62bdabc6b16c3c7b798b45876eb0f661e8ecfe8a203c0619b2bb4N.exe"
1⤵
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2120

C:\Windows\system\VMwareService.exe
"C:\Windows\system\VMwareService.exe"
1⤵
- Checks BIOS information in registry
- Deletes itself
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
PID:2324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\system\VMwareService.exe

Filesize
1.2MB

MD5
e1fd6f4a9ca1b26d194ca673f10bba10

SHA1
6cdb51120068a809d2c2b7746100e5d3b6abd265

SHA256
11f7127432d62bdabc6b16c3c7b798b45876eb0f661e8ecfe8a203c0619b2bb4

SHA512
61b4f4aedf0ff0afffc84323d6c7b769eb227fefa052145f78dde6f31d893c7c77fddb289bffe4b3cd1968945a37639a2a1f77ea769d5597a87ddeff646bb14c

Download Submit
memory/2120-0-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2120-1-0x0000000000401000-0x0000000000408000-memory.dmp

Filesize
28KB

Download
memory/2120-2-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2120-5-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2120-7-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2120-6-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2324-18-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2324-22-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2324-9-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2324-13-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2324-15-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2324-16-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2324-17-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2324-10-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2324-19-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2324-20-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2324-21-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2324-11-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2324-23-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2324-24-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2324-25-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2324-26-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2324-27-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2324-28-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2324-29-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2324-30-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download
memory/2324-31-0x0000000000400000-0x00000000005B1000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads